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How to sum up elements of a C++ vector?
...
Actually there are quite a few methods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(std::vector<int>::iterator it = vector.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems...
Calculating how many minutes there are between two times
... Yes TotalMinutes is what i was looking for. Thank you very much ^_^
– Wahid Bitar
Mar 28 '16 at 19:34
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...f the item as that's often a problem, especially when using collectionView(_:layout:sizeForItemAt:), use a custom variable with the itemSize instead.
This works best when you set self.collectionView.decelerationRate = UIScrollView.DecelerationRate.fast.
Here's a horizontal version (haven't tested ...
Print text instead of value from C enum
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I use something like this:
in a file "EnumToString.h":
#undef DECL_ENUM_ELEMENT
#undef DECL_ENUM_ELEMENT_VAL
#undef DECL_ENUM_ELEMENT_STR
#undef DECL_ENUM_ELEMENT_VAL_STR
#undef BEGIN_ENUM
#undef END_ENUM
#ifndef GENERATE_ENUM_STRINGS
#define DECL_ENUM_ELEMENT( element ) element,
#...
Android Studio: Plugin with id 'android-library' not found
... edited Jul 3 '15 at 10:00
AZ_
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answered Aug 9 '13 at 19:08
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How do disable paging by swiping with finger in ViewPager but still be able to swipe programmaticall
... like:
<com.yourcompany.NonSwipeableViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
This particular example is in a LinearLayout and is meant to take up the entire screen, which is why layout...
How do I drop table variables in SQL-Server? Should I even do this?
...clare @tablename varchar(20)
DECLARE @SQL NVARCHAR(MAX)
SET @tablename = '_RJ_TEMPOV4'
SET @SQL = 'DROP TABLE dbo.' + QUOTENAME(@tablename) + '';
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(@tablename) AND type in (N'U'))
EXEC sp_executesql @SQL;
Works fine on SQL Serve...
Provide an image for WhatsApp link sharing
...;meta property="og:image" content="//cdn.example.com/uploads/images/webpage_300x200.png">
* @RichDeBourke mentioned this to me, but apparently WhatsApp has increased its maximum image size (dimensions as well as file size). I did some tests: it does not work consistently every time on every devi...
Google Play Services Library update and missing symbol @integer/google_play_services_version
...; existing android code -> browse -> navigate to google-play-services_lib FOLDER (android-sdk/extras/google/google_play_services/libproject).
Then, on your project
control click -> properties -> android -> libraries, add -> select the project you just imported -> ok
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How do I view an older version of an SVN file?
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svn cat -r 666 file > file_666.js if you would like to view that entire file :p
– Parijat Kalia
Sep 24 '13 at 16:22
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